It has been found that when worker honeybees have made several consecutive trips for water many of them expose their Nasonov glands at the source of supply, and especially when it lacks an odour of its own. It is suggested that the tendency of bees to expose their Nasonov glands when collecting sugar syrup or abnormally abundant supplies of nectar is an adaptation of the behaviour that naturally occurs when collecting water.
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| å ¨é¨æé´ | è¿å»ä¸å¹´ | è¿å»30天 | |
|---|---|---|---|
| æè¦æµè§æ¬¡æ° | 528 | 48 | 6 |
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| PDFä¸è½½æ¬¡æ° | 57 | 4 | 0 |
It has been found that when worker honeybees have made several consecutive trips for water many of them expose their Nasonov glands at the source of supply, and especially when it lacks an odour of its own. It is suggested that the tendency of bees to expose their Nasonov glands when collecting sugar syrup or abnormally abundant supplies of nectar is an adaptation of the behaviour that naturally occurs when collecting water.
| å ¨é¨æé´ | è¿å»ä¸å¹´ | è¿å»30天 | |
|---|---|---|---|
| æè¦æµè§æ¬¡æ° | 528 | 48 | 6 |
| å ¨ææµè§æ¬¡æ° | 165 | 3 | 0 |
| PDFä¸è½½æ¬¡æ° | 57 | 4 | 0 |